Friday, February 27, 2009
27th february GRE Quants Question
Quant:
1. If 10^n = 0.0004, then what is the value of n?
Ans: Cannot be determined
But, if it is 10^n = 0.0001, then n = -4
2. If the price of an article is 256$ in 1989 and is increased by 80% when compared to 1975, then what was its price in 1975?
Ans: 142.2
3. Col A: Standard Deviation of m1, m2, m3, m4 & m5
Col B: Standard Deviation of m1+5, m2+5, m3+5, m4+5 & m5+5
Ans: C
4. If the remainder when 10^32 is divided by 11 is 'R', then
Col A: R+2
Col B: 3
Ans: C
5. If 3x - 3y = 1; x and y are positive numbers, then
Col A: x/y
Col B: 1
Ans: D
6. If the area of the semi-circle is 2pi, then what is perimeter of the semi circle?
A. 2pi
B. 8pi
C. 16pi
D. 2pi+ 4
E. 4pi+sqrt4
Ans: D
7. Which of the folowing has the highest slope
A. y-1/4x=5
B. y-1/2x=2
C. y+2x=-3
D. y+7x=-6
& so on.....
Ans: B
8. Given that 60% of the sophomores took up liberal arts, 24% took sciences and rest took both or neither. If 55% of all sophomores took psychology, then what percentage of arts students took psychology?
Ans: Cannot be determined
9. If 2/x = y/2, then
Col A: X
Col B: Y
Ans: D
1. If 10^n = 0.0004, then what is the value of n?
Ans: Cannot be determined
But, if it is 10^n = 0.0001, then n = -4
2. If the price of an article is 256$ in 1989 and is increased by 80% when compared to 1975, then what was its price in 1975?
Ans: 142.2
3. Col A: Standard Deviation of m1, m2, m3, m4 & m5
Col B: Standard Deviation of m1+5, m2+5, m3+5, m4+5 & m5+5
Ans: C
4. If the remainder when 10^32 is divided by 11 is 'R', then
Col A: R+2
Col B: 3
Ans: C
5. If 3x - 3y = 1; x and y are positive numbers, then
Col A: x/y
Col B: 1
Ans: D
6. If the area of the semi-circle is 2pi, then what is perimeter of the semi circle?
A. 2pi
B. 8pi
C. 16pi
D. 2pi+ 4
E. 4pi+sqrt4
Ans: D
7. Which of the folowing has the highest slope
A. y-1/4x=5
B. y-1/2x=2
C. y+2x=-3
D. y+7x=-6
& so on.....
Ans: B
8. Given that 60% of the sophomores took up liberal arts, 24% took sciences and rest took both or neither. If 55% of all sophomores took psychology, then what percentage of arts students took psychology?
Ans: Cannot be determined
9. If 2/x = y/2, then
Col A: X
Col B: Y
Ans: D
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Friday, February 27, 2009
27th february GRE Quants Question
Quant:
1. If 10^n = 0.0004, then what is the value of n?
Ans: Cannot be determined
But, if it is 10^n = 0.0001, then n = -4
2. If the price of an article is 256$ in 1989 and is increased by 80% when compared to 1975, then what was its price in 1975?
Ans: 142.2
3. Col A: Standard Deviation of m1, m2, m3, m4 & m5
Col B: Standard Deviation of m1+5, m2+5, m3+5, m4+5 & m5+5
Ans: C
4. If the remainder when 10^32 is divided by 11 is 'R', then
Col A: R+2
Col B: 3
Ans: C
5. If 3x - 3y = 1; x and y are positive numbers, then
Col A: x/y
Col B: 1
Ans: D
6. If the area of the semi-circle is 2pi, then what is perimeter of the semi circle?
A. 2pi
B. 8pi
C. 16pi
D. 2pi+ 4
E. 4pi+sqrt4
Ans: D
7. Which of the folowing has the highest slope
A. y-1/4x=5
B. y-1/2x=2
C. y+2x=-3
D. y+7x=-6
& so on.....
Ans: B
8. Given that 60% of the sophomores took up liberal arts, 24% took sciences and rest took both or neither. If 55% of all sophomores took psychology, then what percentage of arts students took psychology?
Ans: Cannot be determined
9. If 2/x = y/2, then
Col A: X
Col B: Y
Ans: D
1. If 10^n = 0.0004, then what is the value of n?
Ans: Cannot be determined
But, if it is 10^n = 0.0001, then n = -4
2. If the price of an article is 256$ in 1989 and is increased by 80% when compared to 1975, then what was its price in 1975?
Ans: 142.2
3. Col A: Standard Deviation of m1, m2, m3, m4 & m5
Col B: Standard Deviation of m1+5, m2+5, m3+5, m4+5 & m5+5
Ans: C
4. If the remainder when 10^32 is divided by 11 is 'R', then
Col A: R+2
Col B: 3
Ans: C
5. If 3x - 3y = 1; x and y are positive numbers, then
Col A: x/y
Col B: 1
Ans: D
6. If the area of the semi-circle is 2pi, then what is perimeter of the semi circle?
A. 2pi
B. 8pi
C. 16pi
D. 2pi+ 4
E. 4pi+sqrt4
Ans: D
7. Which of the folowing has the highest slope
A. y-1/4x=5
B. y-1/2x=2
C. y+2x=-3
D. y+7x=-6
& so on.....
Ans: B
8. Given that 60% of the sophomores took up liberal arts, 24% took sciences and rest took both or neither. If 55% of all sophomores took psychology, then what percentage of arts students took psychology?
Ans: Cannot be determined
9. If 2/x = y/2, then
Col A: X
Col B: Y
Ans: D
3 comments:
-
Anonymous said...
-
So I know this was a while ago. But your #1 Quant answer is incorrect:
10^n = 0.0004, find n.
You said it could not be determined.
The Answer is n = -3.39794
How to solve it:
10^n = 0.0004
(take the log base 10 of both sides)
log (10^n) = log(0.0004)
n = -3.39794 (log of 10^n is simply n)
Check: 10^-3.39794 = 0.0004 -
April 24, 2009 at 10:24 AM
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Anonymous said...
-
How exactly are you going to find log(0.0004) without a calculator??
-
September 3, 2009 at 10:31 AM
-
Anonymous said...
-
How exactly are you going to find log(0.0004) without a calculator??
-
September 3, 2009 at 10:32 AM
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3 comments:
So I know this was a while ago. But your #1 Quant answer is incorrect:
10^n = 0.0004, find n.
You said it could not be determined.
The Answer is n = -3.39794
How to solve it:
10^n = 0.0004
(take the log base 10 of both sides)
log (10^n) = log(0.0004)
n = -3.39794 (log of 10^n is simply n)
Check: 10^-3.39794 = 0.0004
How exactly are you going to find log(0.0004) without a calculator??
How exactly are you going to find log(0.0004) without a calculator??
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